140mm Constant Airflow Ec Single Inlet Forward Centrifugal Fan

Our rich experience in the industry of Unit Bearing ECM Motor, In Line Centrifugal Fan, Electronic Commutation In Bldc Motor means that we can understand the various needs you face today and in the future, and provide timely and comprehensive services to you. On the basis of our experience in the field and our creative spirit, we will continually find new customer demands and create new value for them. We adhere to the market-oriented and technology-based business operation model, implement the business strategy of continuous improvement and market expansion, and welcome the glory of the enterprise with a continuous pioneering attitude.

Production description
These units may be mounted in any orientation to provide maximum airflow in minimum areas.

(1)YWF External Rotor Centrifugal Fans are divided into forward centrifugal fan and backward centrifugal fan according to curved blades, which have compact structure, convenient installation, credible running, little noise, energy saving and high efficiency.
(2) Several speed ranks, adapt to both frequency conversion and voltage transformation speed changing active. Our products are widely used in duct fans, roof ventilator, air purifying equipment, air conditioning, and household appliances, etc.
(3)The voltage of the single phase motor is 220V, 50/60 Hz, and the voltage of three phase motors is 380V, 50/60Hz. We can also supply other fan motors with different voltages and frequencies according to clients' requirement.
(4)The safety grade of this series is IP54, and the insulation classes are class B and class F.
(5) The applicable ambient temperature of the fan motors used in condenser is from -30℃~60℃.
(6)The average service life of motors is over 30,000 hours.
(8) Our products have gotten UL approval, CE approval and CCC approval.
(9) Product Features
① —Material: Housing: galvanized sheet steel
Impeller: galvanized sheet steel
Rotor: Coated in black plastic
② Bearings: Maintenance- free ball bearings
③ Direction of rotation: Clockwise, seen on rotor
④All models have reached UL approval, CE approval and CCC approval
⑤The type of protection is IP54. All models are fitted with an internal Thermal Overload Protection Device
⑥ Mounting position: Shaft horizontal or rotor on bottom; rotor on top on request (Any)
⑦Insulation class is class B or class F

Performance parameters

Product feature and application

(1) Product feature:

●Compact structure

●Specialized design

●Refined process control

●Simple Installation

●High efficiency and low noise

●Long service life

(2)Application

●Condenser

●Evaporator 

●Pipe fan 

●Roof ventilator

●Heat dissipation and ventilation 

Illustration of Models

YWF—F—2—E—250

①    ②  ③  ④  ⑤

①YWF: External Rotor Centrifugal Fan

②F: Forward

 B: Backward

D: Double Inlet

③(2,4,6):Pole of Motor

④E: Single Phase Capacitor Operation

D: Three Phases Asynchronous Operation  

⑤250: The Diameter of inlet

Company profile

Founded in 1980, Ningbo lionball Ventilation Co., Ltd. is a key high-tech enterprise of the National Torch Program, which integrates product research and development, manufacturing and sales.Our company has passed ISO9001 quality management system certification and ISO14001 environmental management system certification.

"Lionball" brand after 40 years of precipitation, was awarded as a well-known trademark in Zhejiang Province.Our fan and motor products in the international industry has a high reputation and good reputation.Products are exported to the United States, Germany, Italy and other European and American countries as well as Brazil, Russia, other emerging industrial countries and other parts of the world.The main partners are Emerson, Panasonic and other world top 500 industry famous companies.The main products have passed the German VDE, the United States UL, Europe CE and RoHS and China CCC certification.

Lionball team

To perfect our company, we give the goods while using the good high-quality at the reasonable selling price for 140mm Constant Airflow Ec Single Inlet Forward Centrifugal Fan. Looking forward to the future, we will make full use of our management, technology, resources and other advantages to realize our promise to customers with high-quality products and professional services. Do everything possible to carry out service innovation and tap the service potential is the most central content of our management work, and tilting to customers is our service principle that we must persevere.